# semimajor

> English word · Adjective

## Definitions
1. Of or pertaining to the semimajor axis, the long axis of an ellipse
2. Less than major, but still significant

## Etymology
From semi- + major.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/semimajor